Power Supply Schematic Diagram - Philips 32” LCD TV Service Manual

Power Supply Schematic Diagram

CAUTION !
Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F602) is blown , check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
4
HOT CIRCUIT. BE CAREFUL.
2.5A 250V
L601
F602
LINE
2.5A/250V
FILTER
AC601
CN601
AC CORD
C604
B R601
SA601
0.22
1.2M
VARISTOR
W /275V
/1/2W
C617
3
10/16V
C618
10/16V
C605
330
R614
/200V
470K
R603
470K
R604
470K
Q601
357.0
D TK6P60W
C606
(SWITCHING)
G
820P
/2KV
4.2
S
0.1
C607 Q602
1800P 2SC5344SY
2
SWITCHING
4.2
CONTROL
0.4
D607
0
TFZVTR27B
D609 R609
CES520 100
R615 R611 D608 D608A
1ZB36BB OPEN
OPEN 0.36
/2W
R616
OPEN
1
R617
OPEN
R618
OPEN
R619
OPEN
A
CAUTION ! :
2.5A 250V
ATTENTION : Utiliser un fusible de rechange de même type de 2.5A, 250V.
POWER SUPPLY CBA
D602 D603
C614 1N5397BD 1N5397BD
0.22
/275V
D601 D604
1N5397BD 1N5397BD
JS603 JS604
R602
OPEN OPEN
2.7/5W
BC604
OPEN
BC601
BEAD
C608 R606 R607
0.015 220 220
R608 D605
1.5K MM5Z4V3B
D621
1SS400ST
D610
1SS400ST
Q621
KTC3875S
C624 D623
-Y-RTK/P
OPEN MM5Z30B
R613
OVER 220
VOLTAGE
0.4 R621
PROTECT
560
0
R623 C622 C621 C623
0
10K OPEN OPEN 4.7
14.2
C610
1500P
0.4
C609 R612
0.068 5.6K
HOT
B C
For continued protection against risk of fire,
replace only with same type 2.5A, 250V fuse.
C1003 C1002 C1001
470/25V 1 1
C1014 C1015 C1016
1/100V 1/100V OPEN
D1004
MM5Z30B
R1025
360K
R1023
10K
R1026
240K
C603
1000P/250V
IC1001
R1024 R1027 BD9486F-GE2
10K 22K
R1014
C602 0
1000P/250V 5.0
1
D1003
C1005
1SS400ST
1 3.0
2
C616
1.9
1000P/250V 3
R1001 R1010
22K 36K
3.5
4
C1006
C1004
R1002 R1003
0.22
OPEN 5.1
9.1K 9.1K
5
2.5
6
C1025 R1009 0
7
OPEN 100K
T601 2.1
8
POWER TRANS
R1011
C1007
24K
0.047
6 7
R1012
2.2K
R1006 R1007
R1008
10K 100K
10K
5 8
9
4 D655
SB3A0BH
10
D653
C654 C655
SB3A0BH
470/16V 470/16V
2 11
C650
OPEN
1 12
D656
OPEN
D650
SB3150BH
R651 D656A
1 RS1BJTD
D651
SB3150BH
Q658
2SA1201-Y
R690
(+3.3V REG.)
1.5
12.9
12.3
R673
OPEN
R670 R671 R672
270 270 270
IC602
TLP785F
ERROR
VOLTAGE DET R655 R654
180 180
20.3
R657
3.9K
19.3
C666
R659 C651 C652
0.22
27K 470/25V 470/25V
R660
C660 R658 3.9K
SA602 GT601
0.22 2.7K
OPEN OPEN
R675
68K D661
19.3
1SS400ST
2.5
C619
D660
OPEN
0 R661
SL431A-AT
3.3K
Q653
KTC3875S-Y-RTK/P
(SWITCHING)
COLD
D
10-3
NOTE:
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
L1001
C1020
100uH
OPEN
D1001
OPEN
D1001A L1002
L1003
C1017 C1018 C1021
SK210TD OPEN
BEAD
47/100V 47/100V 47/100V
20.3 Q1001
C1019 D
AP18T10AGH-HF
OPEN
G (SWITCHING)
5.9
0.1 S C1008
560P
R1018
200
R1016
C1009 R1015
OPEN
1000P 0.12/1W
LED BACKLIGHT
R1017
DRIVER
OPEN
11.7
16
VCC
0.1
VREG 15
5.9
0.8
OVP DRIVE 14
D
R1028 Q1002
1K G AP18T10AGH-HF
9.6
UVLO DRIVE 13
(SWITCHING)
10.2
S
0 0.8
SS GND 12
R1021
CONTROL 51
0.6
11
LOGIC
R1020 C1010
R1029
C1013
120 0.22
2.1 0.75
2200P
CP
10
R1030
C1011
0.56
1.9 OPEN
ADIM 9
R1031
0.56
R1019
100K R1005 C1012 D1006 R1032
120 1 OPEN 0
C1024 R1004
OPEN 120
C657 R663
OPEN D654 D654A OPEN
1ZB20BB
OPEN
D663
3.3 Q650
D657 R652 OPEN
KTC3875S
MM5Z11B 56K
-2.3
-Y-RTK/P
(RESET)
C656 R693
R653
0
1/50V OPEN
33K
Q656
3.3
KTC3875S
D664 C663
-Y-RTK/P TFZVTR4.7B 100/10V
(SWITCHING)
12.3 3.3
R662
3.3K
3.8
R680
C665 R682
100
0.1 0
3.8
2.5
D662 R681
0
SL431A-AT 10K
C653 D652 D652A C639
C658
470/25V 1ZB30BB OPEN OPEN
OPEN
R667
8.2K
0 R669
10K
0.6
0 R668
47K
E
TO LCD PANEL
CN1001 ASSEMBLY
52.2
2 VLED1
3.7
1 ILED1
D1002
OPEN
R1013
10
GP001
OPEN
GP002
EARTH PLATE
GP003
EARTH PLATE
TO DIGITAL MAIN
CN501
CBA UNIT CN3601
23 NU
22 PROTECT1(NU)
3.3
21 PROTECT3
3.3
20 RESET
3.3
19 BACKLIGHT-SW
3.2
18 P-ON-H2
R677 2.7
17 BACKLIGHT-ADJ
10K
3.3
16 AL+3.3V
0
C661 15 GND
OPEN
0
14 GND
0
13 GND
0
12 GND
0
11 GND
0
10 GND
12.9
9 AMP+13V
12.9
C638 8 AMP+13V
OPEN
12.9
7 AMP+13V
12.9
6 AMP+13V
0
5 GND
20.7
4 P-ON+21V
20.7
3 P-ON+21V
20.7
2 P-ON+21V
20.7
1 P-ON+21V
F
PL14.12SCP